Notes, Ringer sound level +crsl, Syntax – Synaccess Networks NP-0801DTM User Manual
Page 92: Parameters and values, Loudspeaker volume level +clvl

3GPP TS 27.007 AT COMMANDS
HSPA+ AT Commands Reference Guide
92
Notes
Reference: 3GPP TS 27.007
Ringer Sound Level +CRSL
Set command selects the incoming call ringer sound level of the device.
Read command reports the current
+CRSL:
Test command reports
+CRSL: (0‐4)
Syntax
Command
Command type
AT+CRSL=
Set
AT+CRSL?
Read
AT+CRSL=?
Test
Parameters and Values
Ringer sound level
0
Off
1
Low
2
Middle
3
High
4
Progressive
Notes
Reference: 3GPP TS 27.007.
Loudspeaker Volume Level +CLVL
Set command selects the volume of the internal loudspeaker audio output of the device.
Read command reports the current
+CLVL:
Test command reports
+CLVL: (0‐max)
Syntax
Command
Command type
AT+CLVL=
Set
AT+CLVL?
Read
AT+CLVL=?
Test